Mary was born about 1847. She is the daughter of John Nixon.
Sources
"England and Wales Census, 1851," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:SGK5-QD7 : 9 November 2019), John Nixon, , Cumberland, England; citing , Cumberland, England, p. 9, from "1851 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO HO 107, The National Archives of the UK, Kew, Surrey.
"England and Wales Census, 1861," , FamilySearch (https://www.familysearch.org/ark:/61903/1:1:M72P-6SR : 13 August 2020), John Nixon, Cumberland, England, United Kingdom; from "1861 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 9, The National Archives, Kew, Surrey.
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